Fall has arrived in Hayward-San Leandro-Castro Valley — and Halloween fun is already creeping in! From pumpkin patches and fall festivals to spooky (but family-friendly) events, Hayward-San Leandro-Castro Valley is packed with can’t-miss celebrations this season. Don’t let your family miss out — keep scrolling for the biggest list of Hayward-San Leandro-Castro Valley fall and Halloween events happening in 2025!
🎃 Hayward-San Leandro-Castro Valley Halloween & Fall Fun Events
Please note: Many Hayward-San Leandro-Castro Valley fall and Halloween events haven’t been announced yet. We will keep updating this guide as new details come in. Be sure to bookmark this page and check back often for the latest!
💡 Know about a family-friendly fall festival, Halloween event, or trunk-or-treat in Hayward-San Leandro-Castro Valley that’s not listed? Submit your event here.
👻 Love this guide? Don’t ghost us! Subscribe now (it's FREE!) so you never miss the best Hayward-San Leandro-Castro Valley family fun.
🍎 Want More Fall Fun in Hayward-San Leandro-Castro Valley?
While Halloween may be the main event, don’t forget to enjoy some classic fall activities in Hayward-San Leandro-Castro Valley! For more ideas on apple picking, leaf peeping, and local fall festivals, check out our content:
👉 Check back often, as we’re adding more Halloween events and spooky fun happenings in Hayward-San Leandro-Castro Valley all season long!
Know of a Halloween event in Hayward-San Leandro-Castro Valley that should be listed? Submit it here.
